games/xtrojka: include errno.h for errno

errno must be accessed by a macro from errno.h.

PR:		281786
Approved by:	portmgr (build fix blanket), mikael

games/xtrojka/Makefile

@@ -1,6 +1,6 @@
 PORTNAME=	xtrojka
 PORTVERSION=	1.2.3
-PORTREVISION=	4
+PORTREVISION=	5
 CATEGORIES=	games
 MASTER_SITES=	SUNSITE/games/arcade/tetris
 DISTNAME=	${PORTNAME}${PORTVERSION:C/\.//g}

games/xtrojka/files/patch-scores.c

@@ -0,0 +1,19 @@
+--- scores.c.orig
++++ scores.c
+@@ -15,6 +15,7 @@
+ 
+ #include "_strdefs.h"
+ 
++#include <errno.h>
+ #include <stdio.h>
+ #include <sys/types.h>
+ #include <sys/time.h>
+@@ -36,8 +37,6 @@
+ 
+ extern flag is_wizard;
+ extern time_t last_time;
+-
+-extern int errno;
+ 
+ int position;
+ 

games/xtrojka/files/patch-slist.c

@@ -0,0 +1,19 @@
+--- slist.c.orig
++++ slist.c
+@@ -11,6 +11,7 @@
+ 
+ #include "debug.h"
+ 
++#include <errno.h>
+ #include <stdio.h>
+ #include <sys/types.h>
+ #include <sys/stat.h>
+@@ -38,8 +39,6 @@
+ extern SCORES scores[NUMSCORES];
+ extern SCORES old_scores[NUMSCORES];
+ extern SCORES cur;
+-
+-extern int errno;
+ 
+ extern int position;
+ extern GAME_STATE game_state;